Journal
ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS
Volume 35, Issue 19, Pages 1836-1844Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/15567036.2012.664607
Keywords
oxygen-containing organic compounds; petroleum ether-extractable fractions; thermal dissolution
Funding
- National Basic Research Program of China [2011CB201302]
- Natural Science Foundation of China for Innovative Research Group [51221462]
- Natural Science Foundation of China [20936007, 51134021]
- Shenhua Group Corporation Limited [51134021]
- National Natural Science Foundation of China [51074153, 21206188]
- Strategic Chinese-Japanese Joint Research Program [2013DFG60060]
- Fundamental Research Fund for the Doctoral Program of Higher Education [20120095110006]
- Central Universities (China University of Mining Technology [2010LKHX09, 2011QNA23, 2013QNA16]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
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Shengli lignite (SL) and Shenmu-Fugu subbituminous coal (SFSBC) were subjected to thermal dissolution in cyclohexane at 300 degrees C for 1 h under hydrogen. The reaction mixtures were extracted with petroleum ether (PE) and the PE-extractable fractions (PEEFs) were analyzed with a gas chromatography/mass spectrometer. The results show that the PEEFs from thermally dissolved SL (TDSL) and thermally dissolved SFSBC (TDSFSBC) mainly consist of alkanes, alkenes, arenes, and oxygen-containing organic compounds (OCOCs); the yields of alkanes and alkenes in the PEEF from TDSFSBC are appreciably higher than those from TDSL, while the yields of arenes and oxygen-containing organic compounds in the petroleum ether-extractable fraction from thermally dissolved Shenmu-Fugu subbituminous coal are significantly lower than those from thermally dissolved Shengli lignite; arenols are dominant OCOCs in the PEEF from TDSL, while main OCOCs in the PEEFs from TDSFSBC are arenols and esters.
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